Hydraulics
Hydraulic Maintenance
Flight Control
Flight Control Maintenance
Bonus Round
500

Are the No. 1, No. 2, and backup pumps directly interchangeable?

What is Yes?


500

Where is the utility module installed?

What is on the hydraulic deck to the right of the backup pump?

500

The tail rotor aft quadrant is mounted on what component?

What is the tail rotor gear box

500

What would you use to check cable tension?

What is tensiometer?

500

The flight control rods are properly rigged when what rig pin can be installed and removed freely with minimum drag on rig pin?

What is the long mixer rigging pin?

750

What connects hydraulic pressure to the second stage tail rotor servo from the backup pump?

What is the utility module?


750

What is the capacity of the hydraulic refill hand pump?

What is 1.3 quarts

750

Where is the collective trim actuator/servo located?

What is on the top deck, in front of the pilot-assist assemblies?

750

When installing the yaw boost servo, what product do you use to ensure manifold is clean?

What is Item 238, Isopropyl alcohol?

750

When measuring low collective angles, what is the acceptable angle average if helicopter is in operational status?

What is -2.1 degree to -0.8 degrees?

1000

How much pressure does the hydraulic system provide?

What is 3000 to 3100 psi plus or minus 50 psi

1000

What fluid is used to coat the packings on the hydraulic pump module?

What is MIL-PRF-23699 engine oil?

1000

What does AFCS stand for?

What is Automatic Flight Control System?

1000

When replacing a collective boost servo, what hydraulic system requires an operational check?

What is No. 2 hydraulic system?

1000

What must be done before a tail rotor rig can be performed?

What is main rotor must be in rig?

1500

Which hydraulic system provides hydraulic pressure to operate the second stage tail rotor servo if first stage pressure is lost?

What is backup hydraulic system?

1500

What follow-on maintenance is required after replacement of the Hydraulic pump module?

What is servicing of hydraulic pump module, bleed hydraulic system being worked on perform an operational check of hydraulic system?

1500

What is the purpose of the trim system?

What is Maintains the cyclic stick, tail rotor pedals, and collective stick at a desired position.

1500

When installing the roll actuator what do you torque the mounting bolts to?

What is 176 - 194 INCH-POUNDS?

1500

What position is the tail rotor blade in while taking measurements with a protractor?

What is Horizontal pointing forward?

2000

Which hydraulic system provides hydraulic pressure to the pilot assist module?

What is No. 2 Hydraulic System?

2000

Where is the hydraulic pump low level switch located?

What is on each hydraulic pump module?

2000

What is the maximum accuracy of the digital protractor?

What is +/- 0.05 degrees?

2000

What, if anything can be done to help stabilize the helicopter during blade angle readings?

What is Jack the helicopter slightly?

2000

What are the tail rotor spring cylinders connected to?  

What is Two spring cylinders are connected to the quadrant?